Patents by Inventor Johann Wilhelm Wiechers

Johann Wilhelm Wiechers has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Hair treatment composition
    Patent number: 6228353
    Abstract: A rinse-off hair treatment composition for improved delivery of amino-acid to the hair and/or scalp comprising: (a) a particulate metal-amino acid complex; (b) at least one surfactant; and (c) a deposition aid.
    Type: Grant
    Filed: March 5, 1999
    Date of Patent: May 8, 2001
    Assignee: Helene Curtis, Inc.
    Inventors: Stuart William Carr, Melvin Carvell, Paul Alfred Cornwell, Therese Desmond, Andrew Mark Waller, Johann Wilhelm Wiechers
  • Hair treatment composition
    Patent number: 5911978
    Abstract: A rinse-off hair treatment composition for improved delivery of amino-acid to the hair and/or scalp comprising:(a) a particulate metal-amino acid complex;(b) at least one surfactant; and(c) a deposition aid.
    Type: Grant
    Filed: October 29, 1997
    Date of Patent: June 15, 1999
    Assignee: Helene Curtis, Inc.
    Inventors: Stuart William Carr, Melvin Carvell, Paul Alfred Cornwell, Therese Desmond, Andrew Mark Waller, Johann Wilhelm Wiechers